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 7" Digital Magnetic Stirrer AMT550   
Features:
- External temperature sensor PT1000 is available, real-time control medium temperature.
- Simple & easy operation. Automatically identify temperature sensor PT1000 and transfer to PT1000 operation mode. Record and display the last running parameters when switch on.
- LCD display target and actual temperature, as well as set speed and actual speed can be displayed.
- PID temperature technology precise controls heating process, rapidly reaches target temperature and enhances control accuracy Brushless DC motor maintenance free and explosion-proofed, accurately control speed
- Separate safety circuits with fixed safety temperature of 580℃, automatically stops heating once exceed secure temperature
- HOT warning indicates residual hotplate temperature. LCD display would show “Hot” when hotplate temperature over 50°C warning point, even if switched off.
- Free software, computer can control and document all operation values via RS232 interface
Specifications:
Dimension of work plate: 184x184mm (7 inch)
Work plate material Glass ceramic
Motor type DC brushless motor
Motor rating input: 18W
Motor rating output: 10W
Power: 1050W
Voltage: 100-120/200-240V
Frequency: 50/60HZ
Stirring positions: 1
Max. stirring quantity: 20L
Max. magnetic bar: 80mm
Speed range: 100-1500RPM
Speed display: LCD
Speed display resolution: ±1RPM
Heating output: 1000W
Heating temperature range: RT-550°C, increment 1
Control accuracy of work plate: ±1°C(<100°C) ±1%(>100°C)
Safety temperature: 580°C
Temperature display: LCD
Temperature display accuracy: ±0.1°C
External temperature sensor: PT1000
Control accuracy with external temperature sensor PT1000: ±0.2°C
Heating warning: 50°C
Remote control (RS232 interface): Yes
Protection class according to DIN EN60529: IP21
Dimension [W x D x H]: 215x360x112mm
Weight: 5.3Kg
Permissible ambient temperature: 5-40°C
Permissible relative humidity: 80%

 Digital Magnetic Stirrer AMTAST Pro                   
Features
•High accuracy of heating temperature controlling and the control of safe temperature
•Hotplate with porcelain enamel surface with excellent chemical resistance
•2 adjustable safety circuits
•Separateness temperature sensor, protection temperature can be set
•Temperature sensor for heat transfer fluid and medium available(PT1000, Optional)
•Warning display indicating presence of any residual heat when the unit is switched off
•A, B, C Mode, ensure the stirring function not change due to external factors
•Bushing according to DIN 12878 for the use of contact thermometers

Specifications
Model AMTAST PRO
Voltage 100-120/200-240V
Frequency 50/60HZ
Power 550W
Stirring point position quantity 1
Max. stirring quantity (H2O) 20L
Stirring point position quantity 80mm
Motor type External rotor brushless motor
Motor rating input 18W
Motor rating output 10W
Speed range 100-1500RPM
Speed display LCD
Speed display accuracy 1RPM
Material Porcelain enamel
Dimension of Plate φ135mm
Heating power 500W
Heat rate (1Lwater) 6K/min
Heating Temperature Range RT-340℃
Temperature display LCD
Temperature display accuracy 0.1℃
Control accuracy of heating temperature 1℃
Adjustable safety circuit (heating plate) 100-350℃
Control accuracy of heating temperature with temperature 0.2℃
Temperature sensor of extra position PT1000
Dimension 280×160×85mm
Weight 2.8Kg
Permissible ambient temperature 5-40℃
Permissible relative humidity 80%
Protection class acc. to DIN EN60529 IP42
RS232 interfaces Yes
Optional Temperature Sensor and Holder Model Number PT1000H

Temperature Length: 230mm
 Analog Magnetic Stirrer AMTAST Basic               
Features
- Stainless steel with ceramic coated hotplate resists to corrosion
- Separated safety circuit, automatically stop heating when temperature over 350℃
- Motor with electronic speed control, constant speed even during changes in load
- Variable speed of motor
- High magnetic adhesion, prevent the stirrer bar escape
- Enclosed assembly with protection class IP42 and DC brushless motor guarantees long service

Dimension of work plate [mm] φ135 (5 inch)
Work plate material Stainless steel with ceramic coated
Motor type DC brushless motor
Motor rating input 18W
Motor rating output 10W
Power 530W
Voltage 200-240V
Frequency 50/60HZ
Stirring positions 1
Max. stirring quantity [H2O] 20L
Max. magnetic bar (L x Ø) 80mm
Speed range 0-1500RPM
Speed display Scale
Heating output 500W
Heating temperature range RT-340°C
Safety temperature 350°C
Temperature display Scale
External temperature sensor N/A
Heating warning N/A
Remote control (RS232 interface) N/A
Protection class according to DIN EN60529 IP42
Dimension [W x D x H] 160×280×85mm
Weight 2.8Kg
Permissible ambient temperature 5-40°C
Permissible relative humidity 80%